Home / 9,899.20-14,735.68-9,751.56

Finding the Fourth Proportional to 9,899.20, 14,735.68 and 9,751.56

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Solution

The fourth proportional to 9,899.20, 14,735.68 and 9,751.56 is: 14,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.20 : 14,735.68 = 9,751.56 : x
  2. Step 2: Convert to fraction form
    9,899.20/14,735.68 = 9,751.56/x
  3. Step 3: Cross multiply
    9,899.20x = 14,735.68 × 9,751.56
  4. Step 4: Simplify right side
    9,899.20x = 143,695,867.66
  5. Step 5: Solve for x
    x = 143,695,867.66/9,899.20
  6. Step 6: Final answer
    x = 14,515.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.